The Press Democrat5 分钟
Scientists hope hungry weevils from Louisiana can tackle South Africa's invasive water plants
South Africa is unleashing weevils imported from the United States in a bid to fight off the sprouting growth of Salvinia ...
Africanews on MSN22 小时
Weevils tackle invasive Salvinia in South Africa
Scientists in South Africa are using weevils to combat the invasive Salvinia plant threatening freshwater ecosystems ...